WebThe Pterygospinous Ligament (PSL) extends from the Pterygospinous process of the lateral Pterygoid plate to the spine of the sphenoid bone. Sometimes, it may be ossified forming a bar of bone bounding the pterygospinous foramen to which mandibular nerve and its branches are variably related. WebNov 7, 2024 · Sphenoid bone primarily consists of a centrally positioned body, which surrounds and protects the pituitary gland, and two sets of lateral, ... Pterygoid hamulus (hamulus pterygoideus sphenoidalis) is a hook-like inferior extension of the medial pterygoid plate. The hamulus acts like a pulley for the gliding movements of the tendon for the ...
Bones and Cartilages of the Head and Neck UAMS Department of …
WebFeb 22, 2024 · The medial pterygoid muscle is a quadrangular muscle situated in the infratemporal fossa. It is composed of two heads that have two sets of origins. The larger deep head arises from the medial surface of the lateral pterygoid plate of the sphenoid bone and the adjacent pyramidal process of palatine bone.; The smaller superficial head … WebSep 24, 2024 · The deep part of this muscle begins from the medial portion of the lateral pterygoid plate. The lateral pterygoid plate is a horseshoe-shaped protrusion off of the sphenoid (a bone located at the ... the wharf fort bragg
Pterygoid Processes of the Sphenoid - an overview
WebFeb 29, 2012 · The pterygoid plates of the sphenoid bone articulate with the posterior wall of the maxilla and, together, form the pterygomaxillary fissures (Fig. 1a and b). The zygomatic processes of the maxilla are thick … The pterygoid processes of the sphenoid (from Greek pteryx, pterygos, "wing"), one on either side, descend perpendicularly from the regions where the body and the greater wings of the sphenoid bone unite. Each process consists of a medial pterygoid plate and a lateral pterygoid plate, the latter of which serve as the origins of the medial and lateral pterygoid muscl… WebAug 4, 2024 · This section of the perpendicular plate of the palatine bone provides structure at the back of the nose. Between the meeting of horizontal and perpendicular plates is the pyramidal process of the palatine bone. It fits between two narrow plates in the sphenoid bone called the pterygoid plates to form the pterygoid (not the pterygopalatine) fossa. the wharf ft